Week 5: Anatomy of lower respitory system Flashcards
Right primary bronchus
shorter, wider, more vertical
Where are pulmonary veins located in the lung hilum?
Most anterior and inferior
Which layer of pleura extends into lung fissures?
Visceral pleura
Phrenic nerve - respiratory
Motor - diaphragm, sensory - parietal pleura
Vagus nerve - respir
Parasympathetic autonomic innervaion - contraction bronchi, increases secretions, decreases resp rate
Sympathetic trunk
Sympathetic antonomic innervation - dilation bronchi, reduces seretions, increases resp rate
Xiphisternal joint markers
Inferior limit thoracic cavity, superior border liver, inferior border heart, central tendon diaphragm
Ribs that attach to body of sternum?
half of 2nd, 3, 4,5,6, half of 7
Joint that connects tertebral bodies
Zygapophysial joint ( sup + inf articular process and facet)
Thoracic wall. superficial to deep.
skin, superficial fascia, external, internal, NVB, innermost, endothoracic fascia, parietal pleura, visceral pleura
Thoracic inlet - Contents
Listed from anterior to posterior:
L and R brachiocephalic veins L and R subclavian veins L and R internal jugular veins L and R vagus nerves L and R common carotid arteries L and R phrenic nerves L and R subclavian arteries Trachea Apex of L and R lungs Oesophagus
Which crus extends longer?
Right - LV1-3 (left is LV1-2)
Name of structure when visceral sleeve folds back on itself
Pleural sleeve
epithelium of oropharynx
non-keratinised stratified squamous
ep of laryngeopharynx
non-keratinised stratified squamous epithelium
